Fringes are obtained with the help of a biprism in the focal plane of an eyepiece distance 1 m from the slit. A convex lens produces images of the slit in two positions between biprism and eyepiece. The distances between two images of the slit in two positions arem and m respectively. The distance between the slits will be

a)

m

b)

m

c)

m

d)

m

Question

Question ID - 150189 :-

Fringes are obtained with the help of a biprism in the focal plane of an eyepiece distance 1 m from the slit. A convex lens produces images of the slit in two positions between biprism and eyepiece. The distances between two images of the slit in two positions arem and m respectively. The distance between the slits will be

a)

m

b)

m

c)

m

d)

m

1 Answer

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score 3537 · Accepted Answer

Answer Key : (a) -

(a)

Distance between the slits,

In a Fraunhofer diffraction experiment at a single slit using a light of wavelength 400 nm, the first minimum is formed at an angle of The direction of the first secondary maximum is given by
a)		b)		c)		d)